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A new concept Geographic Interest Square was put forward towards thinking methods, mathematical methods and technical mechanism of geographic study. The abbreviation of Geographic Interest Square is GIS, just like Geographic Information System, but is a new wine in an old bottle. Traditional Geographic Information System has two problems: the accuracy and spatial analysis problem. The western thinking...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.